Copper foil winding device for transformer processing

Abstract

The invention discloses a copper foil winding device for transformer processing. The copper foil winding device comprises a base, and at least one fixing frame is arranged on the base; the winding roller is installed on the base through a fixing frame, and a winding shaft penetrating through the winding roller is arranged at the top of the fixing frame; a winding adjusting mechanism matched with the fixing frame is arranged above the winding roller and used for adjusting the winding angle of the copper foil wound on the winding roller through rotation. According to the foil winding machine, the tangent angle and position of the foil winding machine and a transformer can be adjusted in the foil winding process, the winding cut-in angle can be adjusted, therefore, targeted adjustment can be conducted according to the performance of copper foil in different foil winding machining, the foil belt winding angle and the foil belt tension can be adjusted above a foil belt or between the foil belt and the transformer, and meanwhile, the winding efficiency is improved. The equipment carries out reciprocating smoothing and beating on the surface of the wound copper foil, so that the steps of manual fine adjustment are reduced, stress accumulation is avoided, foil tape deviation is corrected, the work intensity is reduced, and the work efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of transformer processing, and in particular to a copper foil winding device for transformer processing. Background Art

[0002] A transformer is a device that uses the principle of electromagnetic induction to change AC voltage. During the processing of the transformer, copper foil winding is required. Especially for dry-type transformers, planar transformers and other transformers, low-voltage foil winding is often required. Winding in the planar form of copper foil helps to improve its power transmission capacity and reduce losses.

[0003] During the copper foil winding process, it is often necessary to add insulating materials to isolate the electrical connections between different winding layers and between the winding and the magnetic core, such as insulating tape and insulating film. It is necessary to ensure that the copper foil and the insulating materials have a certain degree of neatness, and during the copper foil winding process, it is also necessary to avoid the deviation of the foil and the insulating layer. The existing equipment adjusts the winding angle between the foil and the transformer surface in advance, and cannot be flexibly adjusted during the foil winding process. In addition, during the winding process, rollers for pressing the surface are often added to avoid gaps and wrinkles after the foil is wound. However, this type of structure is difficult to adjust to other positions. The copper foil is generally thin. During the winding process, it is manually rotated repeatedly to adjust and the surface and side knocks are performed to eliminate local winding problems, which increases the burden on staff and reduces work efficiency. Summary of the invention

[0004] The purpose of the present invention is to solve the defects in the prior art and to propose a copper foil winding device for transformer processing.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A copper foil winding device for transformer processing comprises a base, on which at least one fixing frame is arranged;

[0007] A winding roller, wherein the winding roller is mounted on the base through the fixing frame, and a winding shaft penetrating the winding roller is provided on the top of the fixing frame;

[0008] A winding adjustment mechanism matched with the fixing frame is provided above the winding roller, and the winding adjustment mechanism is used to adjust the winding angle of the copper foil wound onto the winding roller by rotating;

[0009] A winding expansion mechanism matched with the fixing frame is provided below the winding roller;

[0010] The winding adjustment mechanism and the winding expansion mechanism are distributed on the circumference of the winding roller with the winding axis as the center.

[0011] Further, the winding adjustment mechanism includes an adjustment shaft, a plurality of adjustment sleeves are arranged on the adjustment shaft, three adjustment arc plates are installed on the adjustment sleeve, the three adjustment arc plates form a circular ring structure, and the adjustment arc plates are connected to the adjustment sleeve through an adjustment rod;

[0012] A connecting plate, wherein connecting grooves matching with the adjusting shaft and the winding shaft are provided on both ends of the connecting plate.

[0013] Furthermore, the connecting plate can be split into two mutually combined plate bodies;

[0014] A transmission wheel can be installed on one side of the connecting plate away from the adjusting shaft, and the transmission wheel, the adjusting shaft and the winding shaft are mutually driven by a transmission belt.

[0015] Furthermore, a strip groove is provided at the end surface of the winding shaft, and a locking frame is provided inside the strip groove. One end of the locking frame cooperates with the strip groove, and the other end is a cylindrical structure and passes through the connecting plate and the fixing frame to fix the two.

[0016] Furthermore, both ends of the adjusting shaft are provided with winding auxiliary disks, the winding auxiliary disks are of a conical structure, and the distribution spacing of the winding auxiliary disks is greater than or equal to the length of the winding roller.

[0017] Further, the winding and expanding mechanism comprises an expansion rod installed at the bottom of the fixing frame, the expansion rod passes through the fixing frame, and one end of the fixing frame is provided with a reciprocating motor matched with the base;

[0018] The extension rod is provided with a leveling strip, the top of which is an arc-shaped structure tangent to the outer cylindrical surface of the winding roller, and the extension rod is symmetrically provided with striking plates, the distribution spacing of the two striking plates is greater than or equal to the length of the winding roller.

[0019] Furthermore, the winding roller is a combination of two semicircular cylinders, and the tops of the two semicircular cylinders are both provided with guide grooves;

[0020] Both ends of the two semicircular cylinders are provided with fixing protrusions, and the fixing protrusions are provided with locking frames matched therewith, and the locking frames adjust the distance between the two semicircular cylinders by locking the fixing protrusions.

[0021] Furthermore, one of the fixing frames fixes the center of the winding shaft by clamping a top rod, and the bottom end of the fixing frame is provided with a movable structure that matches the base.

[0022] Furthermore, the movable structure includes a movable base connected to the fixed frame, and the movable base cooperates with the base through a screw structure.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] It can adjust the angle and position tangent to the transformer during the foil winding process, and can adjust the winding cut-in angle, so as to make targeted adjustments to the performance of the copper foil in different foil winding processes. In addition, it can adjust the foil winding angle and the foil tension above the foil or between the foil and the transformer. At the same time, the equipment reciprocates to smooth and strike the surface of the wound copper foil, reducing the steps of manual fine-tuning and avoiding stress accumulation, helping to correct foil deviation, reducing downtime for adjustment, reducing work intensity, and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0026] Figure 1 This is one of the structural schematic diagrams of a copper foil winding device for transformer processing in an embodiment of the present invention;

[0027] Figure 2 This is a second structural schematic diagram of a copper foil winding device for transformer processing in an embodiment of the present invention;

[0028] Figure 3 is a schematic structural diagram of a winding roller in an embodiment of the present invention;

[0029] Figure 4 is a schematic structural diagram of a connecting plate in an embodiment of the present invention;

[0030] Figure 5 is a schematic structural diagram of a base and a winding and expanding mechanism in an embodiment of the present invention;

[0031] Figure 6 Schematic diagram of the structure of the adjusting sleeve and the adjusting shaft in the embodiment of the present invention;

[0032] Figure 7 Schematic diagram of the structure of the locking frame in the embodiment of the present invention.

[0033] In the figure:

[0034] 1. Base; 2. Fixed frame; 3. Winding roller; 4. Winding shaft; 5. Adjusting shaft; 6. Adjusting sleeve; 7. Adjusting arc plate; 8. Connecting plate; 9. Connecting groove; 10. Strip groove; 11. Locking frame; 12. Winding auxiliary disk; 13. Extension rod; 14. Leveling bar; 15. Striking plate; 16. Guide groove; 17. Fixed protrusion; 18. Locking frame; 19. Clamping top rod; 20. Mobile base. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0036] Reference Figure 1-6 , a copper foil winding device for transformer processing, comprising a base 1, on which at least one fixing frame 2 is arranged, and when the fixing frame 2 is implemented, one or two symmetrical settings can be selected;

[0037] The winding roller 3 is used to be inserted into the transformer to support the transformer and drive the transformer to rotate for foil winding;

[0038] The winding roller 3 is installed on the base 1 through the fixing frame 2, and a winding shaft 4 penetrating the winding roller 3 is provided on the top of the fixing frame 2;

[0039] A winding adjustment mechanism matched with the fixing frame 2 is provided above the winding roller 3, and the winding adjustment mechanism is used to adjust the winding angle of the copper foil wound onto the winding roller 3 by rotating;

[0040] A winding expansion mechanism matched with the fixing frame 2 is provided below the winding roller 3. The winding expansion mechanism is used to squeeze the copper foil during foil winding to ensure the flatness and consistency of the copper foil winding; it is also used to flatten the two end faces of the transformer and to fine-tune and correct the copper foil that has slightly deviated from the wound foil.

[0041] The winding adjustment mechanism and the winding expansion mechanism are distributed on the circumference of the winding roller 3 with the winding axis 4 as the center. The circumferential distribution enables the winding adjustment mechanism and the winding expansion mechanism to be tangent to the transformer during the foil winding process, thereby controlling the surface flatness and overall tightness of the foil winding through adjustment.

[0042] Reference Figure 1-6 In a specific embodiment of the present application, the winding adjustment mechanism includes an adjustment shaft 5, on which a plurality of adjustment sleeves 6 are arranged. By adjusting the installation position and number of the adjustment sleeves 6, the contact length with the surface of the copper foil can be controlled to achieve local adjustment (such as applying a tensile force to a general width area of ​​the copper foil);

[0043] Three adjusting arc plates 7 are installed on the adjusting sleeve 6. The three adjusting arc plates 7 form a circular ring structure. The adjusting arc plates 7 are connected to the adjusting sleeve 6 through an adjusting rod. The adjusting arc plates 7 can adjust the length, so as to control the diameter of the formed circular ring structure. The matching clearance between the winding adjustment mechanism and the winding shaft 4 is directly adjusted and controlled. If the surface of the transformer is fitted, the foil winding process is tightened and tensioned to avoid wrinkles and non-fitting of the foil. If a gap is generated with the surface of the transformer, the rotation angle of the winding adjustment mechanism is adjusted to adjust the entry angle of the copper foil during foil winding, so as to ensure the stability and surface neatness of the foil winding and ensure the foil winding tension. In addition, when the winding adjustment mechanism is implemented, it can be installed between the copper foil and the transformer as a tensioning structure and adjust the connection position of the copper foil and the transformer.

[0044] A connecting plate 8, connecting grooves 9 matching the adjusting shaft 5 and the winding shaft 4 are provided at both ends of the connecting plate 8, a transmission belt is provided between the two connecting grooves 9, the transmission belt matches the adjusting shaft 5 and the winding shaft 4, after the transmission belt is installed, the adjusting shaft 5 and the winding shaft 4 will rotate synchronously, so that when the foil is wound, the foil winding quality can be ensured by rotating and squeezing the transformer surface;

[0045] Reference Figure 1-6 In a preferred embodiment, a telescopic structure is provided in the middle position of the connecting plate 8, and the telescopic structure splits the plate body of the connecting plate 8. The telescopic structure enables the plate body of the connecting plate 8 away from one end of the fixing frame 2 to be extended / contracted. The telescopic structure includes: a spring rod matched with the plate body of the connecting plate 8, or a hydraulic telescopic structure installed on the body of the connecting plate 8 and electrically controlled, so that the connecting plate 8 has a telescopic function, which is used to be tangent to the surface of the transformer with a non-complete circular structure when winding the foil.

[0046] Reference Figure 1-6 In a preferred embodiment, a transmission wheel is installed between the two connecting grooves 9 of the connecting plate 8, and the transmission wheel is respectively connected to the adjusting shaft 5 and the winding shaft 4 through two transmission belts to change the rotation direction between the adjusting shaft 5 and the winding shaft 4. By rotating in a direction different from that of the winding shaft 4, the adjusting shaft 5 can wrap around the winding shaft 4 to increase or decrease the tension during the foil winding process.

[0047] In a specific embodiment of the present application, a strip groove 10 is provided at the end surface of the winding shaft 4, and a locking frame 11 is provided inside the strip groove 10. One end of the locking frame 11 cooperates with the strip groove 10, and the other end is a cylindrical structure and passes through the connecting plate 8 and the fixing frame 2, and is used to fix the two. When the locking frame 11 is inserted into the strip groove 10, the fixing frame 2 and the connecting plate 8 at the same time, the three are completely fixed, and the winding shaft 4 and the adjusting shaft 5 will stop rotating;

[0048] When the lock frame 11 is inserted into the strip groove 10 and the connecting plate 8 at the same time, the connecting plate 8 and the adjusting shaft 5 will be driven by the winding shaft 4 to rotate in a circle until they are adjusted to a predetermined position;

[0049] When the locking frame 11 is inserted into only the fixing frame 2 and the connecting plate 8 at the same time, the angle at which the connecting plate 8 is installed on the fixing frame 2 is fixed, and the winding shaft 4 can rotate normally;

[0050] Through the above-mentioned adjustment method, and because the adjustment shaft 5 is distributed on the circumference of the winding shaft 4, the tensioning, stretching or extrusion position of the copper foil can be adjusted during the foil winding process, and adjustments can be made according to the real-time foil winding situation to solve the situation where manual adjustment of the foil winding or complete stop of the operation of the adjustment component is required.

[0051] Reference Figure 1-6 In a specific embodiment of the present application, both ends of the adjusting shaft 5 are provided with a winding auxiliary disk 12, and the winding auxiliary disk 12 is a conical structure. The distribution spacing of the winding auxiliary disk 12 is greater than or equal to the length of the winding roller 3, and the conical section of the winding auxiliary disk 12 is flush with the end face of the winding roller 3, and the two end faces intersect. During the copper foil winding process, if the copper foil does not deviate, the normal machine winding process will be carried out. If the copper foil deviates, the copper foil will be stuck on the conical slope at the first time. The conical structure of the winding auxiliary disk 12 will push the flat copper foil to an oblique angle, and the operator can observe the changes inside and find that the copper foil needs to be corrected. At the same time, because the copper foil is pushed to produce an angle change, it will not cover the surface of the transformer to form a winding curvature, so that the adjustment space is retained to avoid the problem of deviation after the copper foil is wound and difficult to correct.

[0052] In a specific embodiment of the present application, the winding and expansion mechanism includes an expansion rod 13 installed at the bottom of the fixing frame 2, the expansion rod 13 passes through the fixing frame 2, and one end of the fixing frame 2 is provided with a reciprocating motor matched with the base 1, and the reciprocating motor drives the expansion rod 13 to reciprocate;

[0053] The extension rod 13 is provided with a leveling bar 14, the top of the leveling bar 14 is an arc-shaped structure tangent to the outer cylindrical surface of the winding roller 3, and the extension rod 13 is driven by the reciprocating motor to reciprocate. Because the extension rod 13 is tangent to and fits the surface of the transformer, in the process of slowly rotating around the foil, the extension rod 13 can squeeze and smooth the surface of the transformer through continuous reciprocation, thereby reducing possible wrinkles, loose winding, and undissipated stress in some parts of the copper foil;

[0054] The extension rod 13 is symmetrically provided with striking plates 15, and the distribution spacing between the two striking plates 15 is greater than or equal to the length of the winding roller 3. When the reciprocating motor drives the extension rod 13 to reciprocate, the striking plates 15 will reciprocate synchronously. By adjusting the position and angle of the striking plates 15, the two end faces of the transformer can be struck. The start of the reciprocation can be manually controlled to fine-tune the slightly deviated wound copper foil. In addition, it can effectively cooperate with the extension rod 13 to adjust the activity of the transformer surface to avoid the possibility of deviation caused by the reciprocating motion.

[0055] Reference Figure 1-6 In a specific embodiment of the present application, the winding roller 3 is a combination of two semicircular cylinders, the tops of the two semicircular cylinders are provided with guide grooves 16, and a connecting and fixing rod is provided between the two semicircular cylinder combinations and the winding shaft 4. The connecting and fixing rod is inserted into the interior of the semicircular cylinder combination and can be telescopically movable, so as to adjust the combination gap of the two semicircular cylinders, and can be driven to rotate by the winding shaft 4 without deviating from the axis.

[0056] Both ends of the two semicircular cylinders are provided with fixed protrusions 17, and the fixed protrusions 17 are provided with locking frames 18 that match them. The locking frames 18 adjust the distance between the two semicircular cylinders by locking the fixed protrusions 17. The winding rollers 3 can be combined into a cylinder, and the distance between the two semicircular cylinders can also be lengthened to adapt to the shape of the transformer, so as to better drive the transformer to rotate.

[0057] Reference Figure 1-6In a specific embodiment of the present application, one of the fixed frames 2 fixes the center of the winding shaft 4 by a clamping top rod 19, and the bottom end of the fixed frame 2 is provided with a movable structure cooperating with the base 1, and the movable structure includes a movable base 20 connected to the fixed frame 2, and the movable base 20 cooperates with the base 1 through a screw structure, and the fixed frame 2 moves forward / backward through the movable base 20, and the installation or clamping adjustment of the winding roller 3 is facilitated by the mobility of one of the fixed frames 2. It should be noted that the winding shaft 4 and the fixed frame 2 are made of metal with adaptable properties, and the winding shaft 4 can be fixed and operated only by the fixed frame 2 on one side. In addition, the winding shaft 4, the connecting plate 8, the winding expansion mechanism and the winding adjustment mechanism can cooperate and operate only by the fixed frame 2 on one side.

[0058] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A copper foil winding device for transformer processing, characterized in that: It comprises a base (1), on which at least one fixing frame (2) is arranged; A winding roller (3), wherein the winding roller (3) is mounted on the base (1) via the fixing frame (2), and a winding shaft (4) penetrating the winding roller (3) is provided on the top of the fixing frame (2); A winding adjustment mechanism matched with the fixing frame (2) is provided above the winding roller (3), and the winding adjustment mechanism is used to adjust the winding angle of the copper foil wound onto the winding roller (3) by rotating; A winding expansion mechanism matched with the fixing frame (2) is provided below the winding roller (3); The winding adjustment mechanism and the winding expansion mechanism are distributed on the circumference of the winding roller (3) with the winding shaft (4) as the center.

2. The copper foil winding device for transformer processing according to claim 1, characterized in that: The winding adjustment mechanism comprises an adjustment shaft (5), a plurality of adjustment sleeves (6) are arranged on the adjustment shaft (5), three adjustment arc plates (7) are installed on the adjustment sleeve (6), the three adjustment arc plates (7) form a circular ring structure, and the adjustment arc plates (7) are connected to the adjustment sleeve (6) through an adjustment rod; A connecting plate (8), wherein connecting grooves (9) matching with the adjusting shaft (5) and the winding shaft (4) are provided at both ends of the connecting plate (8).

3. The copper foil winding device for transformer processing according to claim 2, characterized in that: The connecting plate (8) can be split into two mutually combined plate bodies; A transmission wheel can be installed on the side of the connecting plate away from the adjusting shaft (5); the transmission wheel, the adjusting shaft (5) and the winding shaft (4) are mutually driven through a transmission belt.

4. The copper foil winding device for transformer processing according to claim 3, characterized in that: A strip groove (10) is provided at the end surface of the winding shaft (4), a locking frame (11) is provided inside the strip groove (10), one end of the locking frame (11) cooperates with the strip groove (10), and the other end is a cylindrical structure and passes through the connecting plate (8) and the fixing frame (2) for fixing the two.

5. The copper foil winding device for transformer processing according to claim 4, characterized in that: Both ends of the adjustment shaft (5) are provided with a winding auxiliary disk (12), the winding auxiliary disk (12) is a conical structure, and the distribution spacing of the winding auxiliary disk (12) is greater than or equal to the length of the winding roller (3).

6. The copper foil winding device for transformer processing according to claim 5, characterized in that: The winding and expanding mechanism comprises an expansion rod (13) mounted at the bottom of the fixing frame (2), the expansion rod (13) passing through the fixing frame (2), and a reciprocating motor matched with the base (1) is provided at one end of the fixing frame (2); The extension rod (13) is provided with a leveling strip (14), the top of which is an arc-shaped structure tangent to the outer circumferential surface of the winding roller (3), and the extension rod (13) is symmetrically provided with striking plates (15), the distribution spacing between the two striking plates (15) is greater than or equal to the length of the winding roller (3).

7. The copper foil winding device for transformer processing according to claim 6, characterized in that: The winding roller (3) is a combination of two semicircular cylinders, and the tops of the two semicircular cylinders are both provided with guide grooves (16); Both ends of the two semicircular cylinders are provided with fixing protrusions (17), and the fixing protrusions (17) are provided with locking frames (18) matched therewith, and the locking frames (18) adjust the distance between the two semicircular cylinders by locking the fixing protrusions (17).

8. The copper foil winding device for transformer processing according to claim 7, characterized in that: One of the fixed frames (2) fixes the center of the winding shaft (4) by clamping a top rod (19), and the bottom end of the fixed frame (2) is provided with a movable structure that matches the base (1).

9. The copper foil winding device for transformer processing according to claim 8, characterized in that: The movable structure comprises a movable base (20) connected to the fixed frame (2), and the movable base (20) cooperates with the base (1) via a screw rod structure.

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